Sterling Hollowblock2 - Loop Homebrand Adding weights (optional) improves anchoring

Adding weights (optional) improves anchoring qualities - compatible with Petzl accessories for QUARK

4-way stretch PowerSpan outer layer

With its rounded support surface and adjustable safety strap

supportive back panel and ergonomic design offer comfort

1 micron absolute filtration — removing 99

Sterling Hollowblock2 - Loop Homebrand Adding weights (optional) improves anchoringBest selling friction hitch and autoblock has been redesigned with a stronger aramid fibre. Made in the USA. Overview The 6. 8 mm HollowBlock2 is made of 100% Technora fibre for increased abrasion resistance and improved durability. It's gripping ability comes from the unique hollow braid construction, for use as a prusik or Klemheist knot on ropes 7 mm or larger. Features Key Features 100% Technora Construction Significant increase in durability and